Last updated: June 18, 2025
In April, the average temperature in Saint-Denis-sur-Richelieu, Canada hovers around 6°C (43°F). Be prepared for a wide range, as temperatures can dip to a chilly -10°C (14°F) or rise to a warm 25°C (77°F). You can expect 121 mm (4.8 in) of precipitation spread over approximately 12 days, with a notable average humidity of 85%.
In April in Saint-Denis-sur-Richelieu, the average temperature is 6°C (43°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -10°C (14°F). Be prepared for a wide range of temperatures, making versatile clothing essential for your travels.
In Saint-Denis-sur-Richelieu in April, the precipitation amount reaches 121 mm (4.8 in) over the course of 12 days.
In Saint-Denis-sur-Richelieu in April, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.
In Saint-Denis-sur-Richelieu in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint-Denis-sur-Richelieu.
UV Risk Categories
Weather in Saint-Denis-sur-Richelieu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Saint-Denis-sur-Richelieu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -7°C (19°F) | 82 mm (3.2 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 85 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 121 mm (4.8 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 97 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 101 mm (4.0 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 96 mm (3.8 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 111 mm (4.4 inches) | 75% | very high |
| September Weather | 16°C (61°F) | 67 mm (2.6 inches) | 78% | high |
| October Weather | 10°C (50°F) | 132 mm (5.2 inches) | 86% | moderate |
| November Weather | 1°C (34°F) | 117 mm (4.6 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 90 mm (3.6 inches) | 89% | low |